Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos países gastaram US$ 83,7 bilhões em turismo internacional em 2012?
 ###Tabelas: CREATE TABLE general_information__&__feature_comparison (general_information__&__feature_comparison_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Year Began VARCHAR, s Registered user VARCHAR, Updated in past 30 days VARCHAR, Registration VARCHAR, Ability to syndicate off-site feeds VARCHAR, Userpics Free VARCHAR, Userpics Paid VARCHAR, Monthly Cost for Paid Account VARCHAR, Yearly Cost for Paid Account VARCHAR, Permanent Account VARCHAR) CREATE TABLE 2000s_eagles_13-10 (2000s_eagles_13-10_id AUTO_INCREMENT PRIMARY KEY, Year INT, Date VARCHAR, Winner VARCHAR, Result VARCHAR, Loser VARCHAR, Location VARCHAR) CREATE TABLE p (p_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Position VARCHAR, Period VARCHAR, Appearances¹ INT, Goals¹ INT, Nationality² VARCHAR) CREATE TABLE 1975–2009 (1975–2009_id AUTO_INCREMENT PRIMARY KEY, Year INT, Date VARCHAR, Type VARCHAR, EU Council presidency VARCHAR, President-in-Office VARCHAR, Host city VARCHAR) CREATE TABLE international_tourism_expenditure (international_tourism_expenditure_id AUTO_INCREMENT PRIMARY KEY, Rank 2012 INT, Country VARCHAR, UNWTO Region VARCHAR, International tourism expenditure 2011 VARCHAR, International tourism expenditure 2012 VARCHAR, % change VARCHAR)  
SELECT COUNT % change FROM international_tourism_expenditure WHERE International tourism expenditure 2012 = $83.7 billion